Electromagnetic valve fixing device and laser hair removal instrument

The embodiment of the utility model provides an electromagnetic valve fixing device and a laser hair removal instrument. An electromagnetic valve comprises an electromagnetic device, a valve seat used for fixing the electromagnetic device and a valve body arranged below the valve seat. The fixing device comprises a bottom plate and side plates located on the two sides of the bottom plate, and the bottom plate and the side plates can define a mounting cavity used for containing the valve body. The side plate comprises a first plate body and a second plate body, the end part of the first plate body is connected with the bottom plate, and a sliding part is arranged on the side wall of the first plate body; the end of the second plate body is connected with the valve seat, a guide part is arranged on the side wall of the second plate body, and the guide part is matched with the sliding part so that the electromagnetic valve can move in the extending direction of the sliding part. Through cooperation between the s